The 16 August 1999 EUV brightenings are numerically simulated by a third-order upwind compact scheme,basing on the TRACE observation.The present simulation can give a possible explanation to its formation and evolutio...The 16 August 1999 EUV brightenings are numerically simulated by a third-order upwind compact scheme,basing on the TRACE observation.The present simulation can give a possible explanation to its formation and evolution.The numerical results show that the initial reconnection jets at around X-point are responsible for the occurrence of EUV brightening.The strong and superposed ejections caused by the first and second coalescence of magnetic islands are possibly related to the lifted material which initially appeared as absorption features and Later EUV-emitting structures respectively.The bi-directional reconnection jets may correspond to the lifted material that either continued to move upward along the apparently open field lines or fell down to the surface.展开更多
基金Supported by the National Natural Science Foundation of China(40374056,40536029,40574068)the International Collaboration Research Team Program of Chinese Academy of Sciences
文摘The 16 August 1999 EUV brightenings are numerically simulated by a third-order upwind compact scheme,basing on the TRACE observation.The present simulation can give a possible explanation to its formation and evolution.The numerical results show that the initial reconnection jets at around X-point are responsible for the occurrence of EUV brightening.The strong and superposed ejections caused by the first and second coalescence of magnetic islands are possibly related to the lifted material which initially appeared as absorption features and Later EUV-emitting structures respectively.The bi-directional reconnection jets may correspond to the lifted material that either continued to move upward along the apparently open field lines or fell down to the surface.
基金the National Natural Science Foundation of China(NSFC)under contract 41304134the foundation for Young Talents in College of Anhui Province(2013SQRL044ZD)+2 种基金colleges and Universities Natural Science Foundation of Anhui Province(KJ2016JD18)the doctoral foundation of Anhui University of Architecture(K02654)CAS Key Research Program KZZD-EW-01
